Nova Health Naturopathic Centre Blog

True Health and Well Being

Intravenous Vitamin C for Cancer February 7, 2011

Filed under: cancer — novahealthnaturopathic @ 3:48 pm

Intravenous vitamin C is an effective and well-established cancer therapy that has demonstrated effectiveness in treating cancer for decades, despite being dismissed by some medical experts.  As indicated by many studies, this therapy prolongs survival, improves quality of life, and reduces adverse effects of conventional cancer treatment (Integrative Cancer Therapies, 2004; 3:294-300).

Of the studies looking at the anti-cancer effects of intravenous vitamin C, the most well-known is a paper published in the Canadian Medical Association. The study examined cases of advanced terminal cancer and found that high-dose intravenous vitamin C resulted in unexpectedly long term remission rates.  For example, one of the case studies showed that a patient with advance kidney cancer that had spread throughout her body, was cancer-free at a one year follow-up assessment.  Using conventional treatment options, such results only occur in 1% of cases (CMAJ. 2006;174:937-42). These findings of this study support the use of high-dose intravenous vitamin C therapy in cancer treatment.

How does vitamin work to fight cancer? Part of the answer to thisquestion involves the amounts of the vitamin used. At a large dose (achieved only intravenously) vitamin C can induce oxidative damage and spontaneous death to the cancer cells. Very high concentrations of vitamin C (intravenous doses of 14 000 μM/l vs 220 μM/l – achieved orally) are selectively toxic to cancer cells, but do not harm normal cells (Proc Natl Acad Sci USA, 2005, 102:13604-9). This selective toxicity occurs because this high dose of vitamin C increases levels of hydrogen peroxide (a chemical that destroys cancer cells). Cancer cells are vulnerable to this chemical whereas normal cells are not (Histol Histopathol, 1997, 12:525-35). This means cancer cells are destroyed while healthy cells remain unharmed.

Some oncologists postulate that vitamin C decreases the effectiveness of chemotherapy.  There has been no clinical evidence that shows patients given vitamin C and chemotherapy together fare worse than those not receiving the vitamin.  In fact the complete opposite is true as demonstrated by all clinical studies.  A paper that reviewed 71 scientific studies found that antioxidants actually enhance the effects of chemotherapeutic agents (J. of Oncol. 1999; 31:1201-1078).

The evidence of the anti-cancer effects of intravenous vitamin C needs to be re-examined. Seek out your options with a health care practitioner knowledgeable in complementary cancer treatments with scientific research and clinical trials to verify its effectiveness.


Exercise in the Management of Type 2 Diabetes February 4, 2011

Filed under: diabetes,heart health,weight loss — novahealthnaturopathic @ 3:49 pm

Exercise and diet modification are commonly recommended approaches for reducing type II diabetes risk factors such as obesity, impaired glucose tolerance, and insulin resistance.  A sedentary lifestyle has been associated with decreased insulin sensitivity and increased fasting state insulin.

A study looked at the effects of calorie restriction and exercise on glucose and insulin concentrations in 60 sedentary overweight men aged 20 to 50 years old.  Subjects were divided into two groups; restricted caloric intake (1000-1500 calories/day) and non-restricted caloric intake, and then further sub-divided into light intensity (minimal exercise) or vigorous intensity (30 minutes of exercise three times a week of cycling at 70% maximum heart rate).  The results showed that vigorous exercise alone (in the absence of calorie restriction) decreased fasting glucose by 13% and reduced glucose and insulin resistance by 20%. The results also showed that calorie restriction resulted in a 40% reduction in the insulin resistance and vigorous exercise and calorie restriction were additive in reducing the insulin resistance.  In conclusion both calorie restriction and vigorous exercise independently and additively reduce glucose and insulin concentrations in overweight and sedentary men (Cox et al., 2004.  American Journal of Clinical Nutrition. 80, 308-316).

Another study looked at the effects of a lifestyle-intervention program on glucose tolerance in 102 overweight individuals.  The subjects were divided into two groups; one receiving regular (one hour per week) diet advice and encouagement to lose weight and to increase their physical activity, and another that received only a brief information session on the benefits of a healthy diet and exercise.  The subjects were followed for one year and glucose tolerance was measured before and after the experiment.  The results showed that after one year weight loss was higher and blood glucose concentration decreased significantly in the intervention group.  It was concluded that weight loss and increased physical fitness were the most important determinants of improved glucose tolerance and insulin sensitivity.  It is apparent that a lifestyle-intervention program involing diet and exercise modifications is effective in improving glucose tolerance (Mensink et al., 2003. International Journal of Obesity 27, 377–384).

It is evident that exercise alone can improve insulin sensitivity and glucose utilization. The value of exercise in the treatment and prevention of type 2 diabetes cannot be understated, and thus in addition to diet and lifestyle modifications it must be incorporated in the treatment of type 2 diabetes.


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